[PATCH] D144998: [llvm] Prevent building for riscv32-unknown-fuchsia

[Leonard Chan via Phabricator via llvm-commits]

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Fuchsia is exclusively 64-bit so this throw an error when using this triple.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D144998

Files:
  llvm/lib/Target/RISCV/RISCVTargetMachine.cpp
  llvm/test/CodeGen/RISCV/rv32-fuchsia.ll


Index: llvm/test/CodeGen/RISCV/rv32-fuchsia.ll
===================================================================
--- /dev/null
+++ llvm/test/CodeGen/RISCV/rv32-fuchsia.ll
@@ -0,0 +1,6 @@
+; RUN: not --crash llc -mtriple=riscv32-unknown-fuchsia < %s 2>&1 | FileCheck %s
+
+; CHECK: LLVM ERROR: Fuchsia is only supported for 64-bit
+define void @nothing() nounwind {
+  ret void
+}
Index: llvm/lib/Target/RISCV/RISCVTargetMachine.cpp
===================================================================
--- llvm/lib/Target/RISCV/RISCVTargetMachine.cpp
+++ llvm/lib/Target/RISCV/RISCVTargetMachine.cpp
@@ -111,6 +111,9 @@
   // RISC-V supports the MachineOutliner.
   setMachineOutliner(true);
   setSupportsDefaultOutlining(true);
+
+  if (TT.isOSFuchsia() && !TT.isArch64Bit())
+    report_fatal_error("Fuchsia is only supported for 64-bit");
 }
 
 const RISCVSubtarget *


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